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TEL：0086-27-82288353
+86-13971029269
FAX：0086-27-82288295
Email: whcz_78@163.net
ADD.: Rm 1013,BLDG 3,Area C,Hankou City Plaza,Houhu Avenue,Wuhan
地址：武汉市江岸区后湖大道汉口城市广场C区3号楼1013
网址：www.zoyochem.com
| ITEMS | STANDARD |
| Appearance | Crystalline Powder |
| Color | Yellow or greenish-yellow |
| Particle Size | 100% through 80 Mesh |
| Loss on Drying | 5.5-9.0% |
| Residue on Ignition | < 0.5% |
| Impurity quercetin | < 5.0% |
| Heavy Metals | < 20ppm |
| Assay (Anhydrous substance) by UV | > 95.0% |
| Total Plate Count | < 1,000cfu/G |
| Yeast & Mold | < 100cfu/G |
| E.Coli. | Negative |
| Salmonella | Negative |
